Plank won one of the bronze medals in the women's kumite 50 kg event at the 2011 European Karate Championships held in Zürich, Switzerland.

In 2015, Plank won the gold medal in the women's kumite 50 kg event at the European Karate Championships held in Istanbul, Turkey.

[7] In 2017, Plank competed in the women's kumite 50 kg event at the World Games held in Wrocław, Poland without winning a medal.

[8] In 2018, Plank won one of the bronze medals in the women's kumite 50 kg event at the World Karate Championships held in Madrid, Spain.

[2][3] In November 2021, Plank competed in the women's 50 kg event at the World Karate Championships held in Dubai, United Arab Emirates.